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// SPDX-License-Identifier: GPL-2.0
// Copyright (c) 2020 Facebook
#include <linux/bpf.h>
#include <bpf/bpf_helpers.h>
#include <bpf/bpf_tracing.h>
struct {
__uint(type, BPF_MAP_TYPE_PERF_EVENT_ARRAY);
__uint(max_entries, 1);
__uint(key_size, sizeof(int));
__uint(value_size, sizeof(int));
} array_1 SEC(".maps");
struct {
__uint(type, BPF_MAP_TYPE_PERF_EVENT_ARRAY);
__uint(max_entries, 1);
__uint(key_size, sizeof(int));
__uint(value_size, sizeof(int));
__uint(map_flags, BPF_F_PRESERVE_ELEMS);
} array_2 SEC(".maps");
SEC("raw_tp/sched_switch")
int BPF_PROG(read_array_1)
{
struct bpf_perf_event_value val;
return bpf_perf_event_read_value(&array_1, 0, &val, sizeof(val));
}
SEC("raw_tp/task_rename")
int BPF_PROG(read_array_2)
{
struct bpf_perf_event_value val;
return bpf_perf_event_read_value(&array_2, 0, &val, sizeof(val));
}
char LICENSE[] SEC("license") = "GPL";
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